Пжжжжжжжжжжжжжжжжжжжжжжжжжжжжжжжж №486

Question

Пжжжжжжжжжжжжжжжжжжжжжжжжжжжжжжжж №486

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Answer 1

1) 1/2-1/3-1/4
6/12-4/12-3/12= -1/12
2) 2/3-1/4-1/6= 8/12-3/12-2/12= 3/12
3) 1/8-1/4-1/2= 1/8-2/8-4/8= -5/8

Comments

что это